HP 8730w Power Management - Windows 7

HP 8730w - EliteBook Mobile Workstation Manual

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  • HP 8730w | Power Management - Windows 7 - Page 1
    Power Management User Guide
  • HP 8730w | Power Management - Windows 7 - Page 2
    © Copyright 2009 Hewlett-Packard Development Company, L.P. Windows is a U.S. registered trademark of Microsoft Corporation. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements
  • HP 8730w | Power Management - Windows 7 - Page 3
    a different power plan 6 Customizing power plans ...6 Setting password protection on wakeup 7 3 Using external AC power Connecting the AC adapter ...9 Testing an AC adapter ...10 4 Using battery power Finding battery information in Help and Support 12 Displaying the remaining battery charge 13
  • HP 8730w | Power Management - Windows 7 - Page 4
    5 Shutting down the computer Index ...26 iv
  • HP 8730w | Power Management - Windows 7 - Page 5
    The following illustration and table identify and describe the power control and light locations. Component (1) Power lights (2)* (2) Internal display switch (3) Battery light Description ● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or
  • HP 8730w | Power Management - Windows 7 - Page 6
    Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your power settings, select Start > Control Panel > System and Security > Power Options. *The 2 power lights display the same information. The light
  • HP 8730w | Power Management - Windows 7 - Page 7
    Hibernation. When Sleep is initiated, the power lights blink and the screen clears. Your work is saved to memory. Exiting Sleep is faster than exiting Hibernation. If the computer is in the Sleep state for an extended period or if the battery reaches a critical battery level while in the Sleep state
  • HP 8730w | Power Management - Windows 7 - Page 8
    To exit Hibernation: ▲ Press the power button. The power lights turn on and your work returns to the screen where you stopped working. NOTE: If you have set a password to be required when the computer exits Hibernation, you must enter your Windows password before your work will return to the screen
  • HP 8730w | Power Management - Windows 7 - Page 9
    Using the battery meter The battery meter is located in the notification area, at the far right of the taskbar. The battery meter allows you to quickly access power settings, view remaining battery charge, and select a different power plan. ● To display the percentage of remaining battery charge and
  • HP 8730w | Power Management - Windows 7 - Page 10
    Using power plans A power plan is a collection of system settings that manages how the computer uses power. Power plans can help you conserve power or maximize performance. You can change power plan settings or create your own power plan. Viewing the current power plan ▲ Click the battery meter icon
  • HP 8730w | Power Management - Windows 7 - Page 11
    or Hibernation, follow these steps: 1. Select Start > Control Panel > System and Security > Power Options. 2. In the left pane, click Require a password on wakeup. 3. Click Change Settings that are currently unavailable. 4. Click Require a password (recommended). NOTE: If you need to create a user
  • HP 8730w | Power Management - Windows 7 - Page 12
    AC power External AC power is supplied through one of the following devices: WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. ● Approved AC adapter ● Optional docking
  • HP 8730w | Power Management - Windows 7 - Page 13
    grounding pin, for example, by attaching a 2-pin adapter. The grounding pin is an important safety feature. To connect the computer to external AC power: 1. Plug the AC adapter into the power connector (1) on the computer. 2. Plug the power cord into the AC adapter (2). 3. Plug the other end of the
  • HP 8730w | Power Management - Windows 7 - Page 14
    the battery from the computer. 2. Connect the AC adapter to the computer and an AC outlet. 3. Turn on the computer. ● If the power light turns on, the AC adapter is functioning properly. ● If the power light remains off, the AC adapter is not functioning and should be replaced. Contact HP technical
  • HP 8730w | Power Management - Windows 7 - Page 15
    , use only the battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP. Computer battery life varies, depending on power management settings, programs running on the computer, display brightness, external devices connected to the computer
  • HP 8730w | Power Management - Windows 7 - Page 16
    power management, and proper care and storage to maximize battery life ● Information on battery types, specifications, life cycles, and capacity To access battery information: ▲ Select Start > Help and Support > Learning Center > HP Power and Battery Learning Center. 12 Chapter 4 Using battery power
  • HP 8730w | Power Management - Windows 7 - Page 17
    Displaying the remaining battery charge ▲ Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar. Displaying the remaining battery charge 13
  • HP 8730w | Power Management - Windows 7 - Page 18
    or removing the battery CAUTION: Removing a battery that is the sole power source can cause loss of information. To prevent loss of information, save your work, and initiate Hibernation or shut down the computer through Windows before removing the battery. To insert the battery: 1. Turn the computer
  • HP 8730w | Power Management - Windows 7 - Page 19
    3. Remove the battery (2). Inserting or removing the battery 15
  • HP 8730w | Power Management - Windows 7 - Page 20
    WARNING! Do not charge the computer battery while you are onboard aircraft. The battery charges whenever the computer is plugged into external power through an AC adapter, an optional power adapter, or an optional docking device. The battery charges whether the computer is off or in use, but it
  • HP 8730w | Power Management - Windows 7 - Page 21
    Power Options in Windows Control Panel (Start > Control Panel > System and Security > Power Options). Preferences set using Power Options do not affect lights. Identifying low battery levels When a battery that is the sole power source for the computer reaches a low battery level, the battery light
  • HP 8730w | Power Management - Windows 7 - Page 22
    , do not restore power until the power lights turn off. Resolving a low battery level when external power is available ▲ Connect one of the following devices: ● AC adapter ● Optional docking device ● Optional power adapter Resolving a low battery level when a charged battery is available 1. Turn
  • HP 8730w | Power Management - Windows 7 - Page 23
    computer to an AC adapter, optional power adapter, or optional docking device, and then plug the adapter or device into external power. The battery light on the computer turns on. 3. Leave the computer plugged into external power until the battery is fully charged. The battery light on the computer
  • HP 8730w | Power Management - Windows 7 - Page 24
    when the computer is idle. ◦ System-initiated Hibernation will not occur. To discharge a battery: 1. Unplug the computer from its external power source, but do not turn off the computer. 2. Run the computer on battery power until the battery is discharged. The battery light begins to blink when the
  • HP 8730w | Power Management - Windows 7 - Page 25
    Panel > System and Security > Power Options. 2. Under the current power plan, click Change plan settings. 3. Reenter the settings that you recorded for the items in the On battery column. - or - Click Restore default settings for this plan, and then follow the on-screen instructions. NOTE: If
  • HP 8730w | Power Management - Windows 7 - Page 26
    Disconnect external devices that are not plugged into an external power source, when you are not using them. ● Stop, disable, or remove any external media cards that you are not using. ● Use the fn+f9 and fn+f10 hotkeys to adjust screen brightness as needed. ● If you leave your work, initiate Sleep
  • HP 8730w | Power Management - Windows 7 - Page 27
    of time. If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately. To prolong the charge of a stored battery, place it in a cool, dry place. NOTE: A stored battery should be checked every 6 months. If the capacity is less than
  • HP 8730w | Power Management - Windows 7 - Page 28
    ! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short external contacts; do not dispose of in fire or water. For additional information, refer to the Regulatory, Safety and Environmental Notices included with this computer. 24 Chapter 4 Using battery power
  • HP 8730w | Power Management - Windows 7 - Page 29
    the operating system, and then turns off the display and computer. Shut down the computer under any of the following conditions: ● When you need to replace the battery or access components inside the computer ● When you are connecting an external hardware device that does not connect to a USB port
  • HP 8730w | Power Management - Windows 7 - Page 30
    system 25 P power connecting 9 conserving 22 control and light locations 1 power button, identifying 2 power lights, identifying 1 R readable media 3 release latch, battery 14 S shutdown 25 shutting down 25 Sleep exiting 3 initiating 3 storing battery 23 T temperature 23 testing an AC adapter
  • HP 8730w | Power Management - Windows 7 - Page 31
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Power Management
User Guide